Options:
- A. CaF2
- B. NaCl
- C. Glass
- D. Diamond
View Answer
C. Glass
Chemistry
Which one of the following is not a good leaving group ?
Options:
- A. HSO4-
- B. Cl-
- C. OH-
- D. Br-
View Answer
C. OH-
The precess in which larger molecule with higher molecular weight breaks down into smaller moleucles with lower molecular weight____________________?
Options:
- A. polymerization
- B. pyrolysis
- C. isomerism
- D. no such process occurs
View Answer
B. pyrolysis
The property of carbon chain formation is called _________________?
Options:
- A. catenation
- B. hybridization
- C. polymerization
- D. solvation
View Answer
A. catenation
A reaction has values of ?H and ?S which are both positive. The reaction __________________?
Options:
- A. Is spontaneous
- B. Spontaneity is temperature dependent
- C. Has an increasing free energy
- D. Is non-spontaneous
View Answer
D. Is non-spontaneous
________________ is study about energy of a chemical system ?
Options:
- A. thermochemistry
- B. thermodynamics
- C. chemical kinetics
- D. stoichiometry
View Answer
A. thermochemistry
If we provide very high amount of heat to a liquid its boiling point will__________________?
Options:
- A. increase
- B. remains constant
- C. decrease
- D. there will be no boiling
View Answer
B. remains constant
The conversion of vapours back into their liquid state is called__________________?
Options:
- A. crystallization
- B. evaporization
- C. vaporization
- D. condensation
View Answer
D. condensation
The magnetic quantum number (QN) has its values determined directly by the value of_______________?
Options:
- A. Principal (QN)
- B. Azimuthal (QN)
- C. Spin (QN)
- D. Both A & B
View Answer
B. Azimuthal (QN)
Atom with higher atomic number produces X-rays of__________________?
Options:
- A. Shorter wavelength
- B. Larger wavelength
- C. X-ray not produced
- D. All are possible
View Answer
A. Shorter wavelength